While no lite wallet is open the startup auto-open check called
walletExists() every frame. That call crosses into the backend and
touches the filesystem (and prints), so it ran a disk stat on every
frame the app idled at the first-run prompt.
- walletExists() now caches its result for about two seconds on the main
thread, and the cache is invalidated whenever an open or lifecycle
result is consumed, since the wallet file may have changed.
- The auto-open condition is reordered so the cheap timer checks gate the
call, and the click-time overwrite decision uses a new
walletExistsFresh() that bypasses the cache.
Tests: the cache returns the first queried value within the TTL and the
fresh read re-queries the backend and refreshes the cache.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
DanSandClaude Opus 4.8
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